Here is a Khan Solver slightly disguised as a color picker.
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// ==UserScript==
// @name Khan Academy Problem Solver
// @version 1.0
// @description Here is a Khan Solver slightly disguised as a color picker.
// @author Logzilla6
// @match https://www.khanacademy.org/*
// @grant none
// @namespace https://greasyfork.org/users/783447
// ==/UserScript==
(function () {
'use strict';
window.loaded = false;
alert("Solver Will Say Answers For Problem 1 and 2,"+"\n"+ "then after solving problem 1, Solver Will then give answer to 3, then 4 and so on.");
class Answer {
constructor(answer, type) {
this.body = answer;
this.type = type;
}
get isMultiChoice() {
return this.type == "multiple_choice";
}
get isFreeResponse() {
return this.type == "free_response";
}
get isExpression() {
return this.type == "expression";
}
get isDropdown() {
return this.type == "dropdown";
}
log() {
const answer = this.body;
const style = "color: coral; -webkit-text-stroke: .5px black; font-size:24px; font-weight:bold;";
answer.map(ans => {
if (typeof ans == "string") {
if (ans.includes("web+graphie")) {
this.body[this.body.indexOf(ans)] = "";
this.printImage(ans);
} else {
answer[answer.indexOf(ans)] = ans.replaceAll("$", "");
}
}
});
const text = answer.join("\n");
if (text) {
console.log(`${text.trim()}`, style);
}
}
printImage(ans) {
const url = ans.replace("![](web+graphie", "https").replace(")", ".svg");
const image = new Image();
image.src = url;
image.onload = () => {
const imageStyle = [
'font-size: 1px;',
'line-height: ', this.height % 2, 'px;',
'padding: ', this.height * .5, 'px ', this.width * .5, 'px;',
'background-size: ', this.width, 'px ', this.height, 'px;',
'background: url(', url, ');'
].join(' ');
console.log('', imageStyle);
};
}
}
const originalFetch = window.fetch;
window.fetch = function () {
return originalFetch.apply(this, arguments).then((res) => {
if (res.url.includes("/getAssessmentItem")) {
const clone = res.clone();
clone.json().then(json => {
let item, question;
try {
item = json.data.assessmentItem.item.itemData;
question = JSON.parse(item).question;
} catch {
let errorIteration = () => { return localStorage.getItem("error_iter") || 0; }
localStorage.setItem("error_iter", errorIteration() + 1);
if (errorIteration() < 4) {
return location.reload();
} else {
return alert("%c An error occurred", "color: red; font-weight: bolder; font-size: 20px;");
}
}
if (!question) return;
Object.keys(question.widgets).map(widgetName => {
switch (widgetName.split(" ")[0]) {
case "numeric-input":
return freeResponseAnswerFrom(question).log();
case "radio":
return multipleChoiceAnswerFrom(question).log();
case "expression":
return expressionAnswerFrom(question).log();
case "dropdown":
return dropdownAnswerFrom(question).log();
}
});
});
}
if (!window.loaded) {
console.clear();
console.log("%c Color Picker ", "color: mediumvioletred; -webkit-text-stroke: .5px black; font-size:40px; font-weight:bolder; padding: .2rem;");
console.log("%c Created by Logzilla6", "color: white; -webkit-text-stroke: .5px black; font-size:15px; font-weight:bold;");
window.loaded = true;
}
return res;
})
}
function freeResponseAnswerFrom(question) {
const answer = Object.values(question.widgets).map((widget) => {
if (widget.options?.answers) {
return widget.options.answers.map(answer => {
if (answer.status == "correct") {
return alert("Answer: If it is really long, just paste the whole thing in!"+"\n"+answer.value);
}
});
}
}).flat().filter((val) => { return val !== undefined; });
return new Answer(answer, "free_response");
}
function multipleChoiceAnswerFrom(question) {
const answer = Object.values(question.widgets).map((widget) => {
if (widget.options?.choices) {
return widget.options.choices.map(choice => {
if (choice.correct) {
return alert("Answer:"+"\n"+choice.content);
}
});
}
}).flat().filter((val) => { return val !== undefined; });
return new Answer(answer, "multiple_choice");
}
function expressionAnswerFrom(question) {
const answer = Object.values(question.widgets).map((widget) => {
if (widget.options?.answerForms) {
return widget.options.answerForms.map(answer => {
if (Object.values(answer).includes("correct")) {
return alert("Answer:"+"\n"+answer.value);
}
});
}
}).flat();
return new Answer(answer, "expression");
}
function dropdownAnswerFrom(question) {
const answer = Object.values(question.widgets).map((widget) => {
if (widget.options?.choices) {
return widget.options.choices.map(choice => {
if (choice.correct) {
return alert("Answer:"+"\n"+choice.content);
}
});
}
}).flat();
return new Answer(answer, "dropdown");
}
})();